Congress has allocated nearly $3.4 million for maintenance dredging of the Port of Stockton’s Deep Water Channel. … Located about 75 miles east of San Francisco Bay, the Port of Stockton is only accessible through the channel. … An Army Corps of Engineers study is under way of a $140 million plan to increase the minimum depth of the channel to 40 feet, thereby allowing much larger vessels to transit.

From Pacific Maritime Magazine Online, November 19, 2009